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# LEADING EDGE PRODUCTS, INC.
MODEL D3
Processor 80386SX
Processor 20MHz
Speed
Chip Set Unidentified
Max. Onboard 8MB
DRAM
Cache None
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interface, parallel
port, PS/2 mouse port, serial ports (2), VGA port
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| VGA port | CN1 | Video board | CN6 |
| | | connector | |
|-----------------+----------+--------------------+----------|
| PS/2 mouse port | CN2 | IDE interface | CN7 |
|-----------------+----------+--------------------+----------|
| Parallel port | CN3 | Floppy drive | CN8 |
| | | interface | |
|-----------------+----------+--------------------+----------|
| Serial port 1 | CN4 | Riser Card | SL1 |
|-----------------+----------+--------------------+----------|
| Serial port 2 | CN5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------------+--------+-------------|
| » | Parallel port IRQ select IRQ7 | J17 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | Parallel port IRQ select IRQ5 | J17 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| » | IDE interface enabled | J18 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | IDE interface disabled | J18 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| » | Floppy drive interface enabled | J19 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | Floppy drive interface disabled | J19 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (2) 256K x | (2) 256K x | NONE | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 2MB | (2) 1M x 9 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 2MB | (2) 256K x | (2) 256K x | (2) 256K x | (2) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | J15 | J16 |
|------------------+--------------------+--------------------|
| Monochrome | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Color | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Color emulation | pins 2 & 3 closed | pins 1 & 2 closed |
+------------------------------------------------------------+